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Abstract
The present study deals with the statistical analysis of hydro chemical parameters of surface and underground water quality of Ramgarh, district Alwar (Rajasthan). The quality of surface water (Pond Water) and underground water (Hand Pump Water) were analyzed for one year total 13 important parameters were included in statistical analysis. The qualities of surface water and underground water have been assessed by calculating mean, standard deviation, mode, median and correlation coefficients. The observed value of mean, mode and median of samples were compared with standard values recommended by WHO. Some parameters were found within and some parameters beyond the desirable limit for drinking purpose. Hand pump water contains higher Nitrate, Total Hardness, Calcium Hardness, Magnesium Hardness, Alkalinity but pond water only BOD & COD were found in higher level than the desirable limits. In pond water significant positive correlation were found between some pair of parameters such as Alkalinity and F- (0.885), TH and CaH (0.889). Hand Pump water showed highest correlation in between BOD and Cl- (0.896), Nitrate and DO showed negative correlation with almost all parameters.